Register - NEC V850ES/DJ2 User Manual

4.2.2 Register

(1) Port Register 0 (PMT0)
MTRC Port register 0 (MT0) is an 8-bit register that controls pin level read, output level write.
It can be read and written in 8-bit unit.
7 6
PMT0 0 0
R/W R R
PMT0n
0 Output 0
1 Output 1
(2) Port MT0 Mode Register 0 (PMMT0)
This is an 8-bit register used to specify the input mode/output mode.
It can be read and written in 8-bit unit.
Figure 4-2: Port MT0 Mode Register 0 (PMMT0) Format
7 6
PMMT0 1 1
R/W R R
PMMT0n
0 Output mode
1 Input mode
Chapter 4 Port Functions
Figure 4-1: Port Register 0 (PMT0) Format
5 4
0 0 PMT03 PMT02 PMT01 PMT00
R R
Output data control (n= 0 - 3)
5 4
1 1 PMMT03 PMMT02 PMMT01 PMMT00
R R
Preliminary User's Manual U17763EE1V1UD00
3 2 1
R/W R/W R/W
3 2 1
R/W R/W R/W
I/O mode control (n= 0 - 3)
0 Address
0x20 undefined
R/W
0 Address
0x25
R/W
Initial
value
Initial
value
0xFF
79